The retail chain Perekrestok, which belongs to X5 Group, has added the function of shopping with the help of Express-scan to its mobile app. In order to buy goods it is enough to scan the QR-code at the entrance, confirm the store and then scan the barcodes of all selected products. It is also possible to pay for purchases directly in the application, bypassing the cash register. The service can already be used in 589 Perekrestok supermarkets.